diff options
| author |   Christoph Hellwig <hch@lst.de> | 2018-09-07 09:31:58 +0200 |
|---|---|---|
| committer | Christoph Hellwig <hch@lst.de> | 2018-10-01 07:31:25 -0700 |
| commit | 9d7a224b463e1cf1178570b57b6497240fd79bc3 (patch) | |
| tree | ae0c4b9399057288e7a715fb066c8a5edc71154b /drivers/base/platform.c | |
| parent | dma-direct: implement complete bus_dma_mask handling (diff) | |
| download | linux-dev-9d7a224b463e1cf1178570b57b6497240fd79bc3.tar.xz linux-dev-9d7a224b463e1cf1178570b57b6497240fd79bc3.zip | |
dma-direct: always allow dma mask <= physiscal memory size
This way an architecture with less than 4G of RAM can support dma_mask
smaller than 32-bit without a ZONE_DMA. Apparently that is a common
case on powerpc.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Robin Murphy <robin.murphy@arm.com>
Diffstat (limited to 'drivers/base/platform.c')
0 files changed, 0 insertions, 0 deletions